// Chat Bot by George Dunlop, www.peccavi.com // Note - Eliza is a Classic Model of chat Bots.. but this implementation is mine :) // May be used/modified if credit line is retained (c) 1997 All rights reserved loaded = false; // load flag for interlocking the pages // OBJECT TYPE DEFINITIONS // Keys maxKey = 36; keyNotFound = maxKey-1; keyword = new Array(maxKey); function key(key,idx,end){ this.key = key; // phrase to match this.idx = idx; // first response to use this.end = end; // last response to use this.last = end; // response used last time } maxrespnses =116; response = new Array(maxrespnses); maxConj = 19; max2ndConj = 7; var conj1 = new Array(maxConj); var conj2 = new Array(maxConj); var conj3 = new Array(max2ndConj); var conj4 = new Array(max2ndConj); // Funtion to replaces all occurances of substring substr1 with substr2 within strng // if type == 0 straight string replacement // if type == 1 assumes padded strings and replaces whole words only // if type == 2 non case sensitive assumes padded strings to compare whole word only // if type == 3 non case sensitive straight string replacement var RPstrg = ""; function replaceStr( strng, substr1, substr2, type){ var pntr = -1; aString = strng; if( type == 0 ){ if( strng.indexOf( substr1 ) >= 0 ){ pntr = strng.indexOf( substr1 ); } } else if( type == 1 ){ if( strng.indexOf( " "+ substr1 +" " ) >= 0 ){ pntr = strng.indexOf( " " + substr1 + " " ) + 1; } } else if( type == 2 ){ bstrng = strng.toUpperCase(); bsubstr1 = substr1.toUpperCase(); if( bstrng.indexOf( " "+ bsubstr1 +" " )>= 0 ){ pntr = bstrng.indexOf( " " + bsubstr1 + " " ) + 1; } } else { bstrng = strng.toUpperCase(); bsubstr1 = substr1.toUpperCase(); if( bstrng.indexOf( bsubstr1 ) >= 0 ){ pntr = bstrng.indexOf( bsubstr1 ); } } if( pntr >= 0 ){ RPstrg += strng.substring( 0, pntr ) + substr2; aString = strng.substring(pntr + substr1.length, strng.length ); if( aString.length > 0 ){ replaceStr( aString, substr1, substr2, type ); } } aString = RPstrg + aString; RPstrg = ""; return aString; } // Function to pad a string.. head, tail & punctuation punct = new Array(".", ",", "!", "?", ":", ";", "&", '"', "@", "#", "(", ")" ) function padString(strng){ aString = " " + strng + " "; for( i=0; i < punct.length; i++ ){ aString = replaceStr( aString, punct[i], " " + punct[i] + " ", 0 ); } return aString } // Function to strip padding function unpadString(strng){ aString = strng; aString = replaceStr( aString, " ", " ", 0 ); // compress spaces if( strng.charAt( 0 ) == " " ){ aString = aString.substring(1, aString.length ); } if( strng.charAt( aString.length - 1 ) == " " ){ aString = aString.substring(0, aString.length - 1 ); } for( i=0; i < punct.length; i++ ){ aString = replaceStr( aString, " " + punct[i], punct[i], 0 ); } return aString } // Dress Input formatting i.e leading & trailing spaces and tail punctuation var ht = 0; // head tail stearing function strTrim(strng){ if(ht == 0){ loc = 0; } // head clip else { loc = strng.length - 1; } // tail clip ht = 1 if( strng.charAt( loc ) == " "){ aString = strng.substring( - ( ht - 1 ), strng.length - ht); aString = strTrim(aString); } else { var flg = false; for(i=0; i<=5; i++ ){ flg = flg || ( strng.charAt( loc ) == punct[i]); } if(flg){ aString = strng.substring( - ( ht - 1 ), strng.length - ht ); } else { aString = strng; } if(aString != strng ){ strTrim(aString); } } if( ht ==0 ){ ht = 1; strTrim(aString); } else { ht = 0; } return aString; } // adjust pronouns and verbs & such function conjugate( sStrg ){ // rephrases sString var sString = sStrg; for( i = 0; i < maxConj; i++ ){ // decompose sString = replaceStr( sString, conj1[i], "#@&" + i, 2 ); } for( i = 0; i < maxConj; i++ ){ // recompose sString = replaceStr( sString, "#@&" + i, conj2[i], 2 ); } // post process the resulting string for( i = 0; i < max2ndConj; i++ ){ // decompose sString = replaceStr( sString, conj3[i], "#@&" + i, 2 ); } for( i = 0; i < max2ndConj; i++ ){ // recompose sString = replaceStr( sString, "#@&" + i, conj4[i], 2 ); } return sString; } // Build our response string // get a random choice of response based on the key // Then structure the response var pass = 0; var thisstr = ""; function phrase( sString, keyidx ){ idxmin = keyword[keyidx].idx; idrange = keyword[keyidx].end - idxmin + 1; choice = keyword[keyidx].idx + Math.floor( Math.random() * idrange ); if( choice == keyword[keyidx].last && pass < 5 ){ pass++; phrase(sString, keyidx ); } keyword[keyidx].last = choice; var rTemp = response[choice]; var tempt = rTemp.charAt( rTemp.length - 1 ); if(( tempt == "*" ) || ( tempt == "@" )){ var sTemp = padString(sString); var wTemp = sTemp.toUpperCase(); var strpstr = wTemp.indexOf( " " + keyword[keyidx].key + " " ); strpstr += keyword[ keyidx ].key.length + 1; thisstr = conjugate( sTemp.substring( strpstr, sTemp.length ) ); thisstr = strTrim( unpadString(thisstr) ) if( tempt == "*" ){ sTemp = replaceStr( rTemp, "<*", " " + thisstr + "?", 0 ); } else { sTemp = replaceStr( rTemp, "<@", " " + thisstr + ".", 0 ); } } else sTemp = rTemp; return sTemp; } // returns array index of first key found var keyid = 0; function testkey(wString){ if( keyid < keyNotFound && !( wString.indexOf( " " + keyword[keyid].key + " ") >= 0 )){ keyid++; testkey(wString); } } function findkey(wString){ keyid = 0; found = false; testkey(wString); if( keyid >= keyNotFound ){ keyid = keyNotFound; } return keyid; } // This is the entry point and the I/O of this code var wTopic = ""; // Last worthy responce var sTopic = ""; // Last worthy responce var greet = false; var wPrevious = ""; // so we can check for repeats var started = false; function listen(User){ sInput = User; if(started){ clearTimeout(Rtimer); } Rtimer = setTimeout("wakeup()", 180000); // wake up call started = true; // needed for Rtimer sInput = strTrim(sInput); // dress input formating if( sInput != "" ){ wInput = padString(sInput.toUpperCase()); // Work copy var foundkey = maxKey; // assume it's a repeat input if (wInput != wPrevious){ // check if user repeats himself foundkey = findkey(wInput); // look for a keyword. } if( foundkey == keyNotFound ){ if( !greet ){ greet = true; return "Don't you ever say Hello?" } else { wPrevious = wInput; // save input to check repeats if(( sInput.length < 10 ) && ( wTopic != "" ) && ( wTopic != wPrevious )){ lTopic = conjugate( sTopic ); sTopic = ""; wTopic = ""; return 'OK... "' + lTopic + '". Tell me more.'; } else { if( sInput.length < 15 ){ return "Tell me more..."; } else { return phrase( sInput, foundkey ); } } } } else { if( sInput.length > 12 ){ sTopic = sInput; wTopic = wInput; } greet = true; wPrevious = wInput; // save input to check repeats return phrase( sInput, foundkey ); // Get our response } } else { return "I can't help, if you will not chat with me!"; } } function wakeup(){ var strng1 = " *** Are We going to Chat? ***"; var strng2 = " I can't help you without a dialog!"; update(strng1,strng2); } // build our data base here conj1[0] = "are"; conj2[0] = "am"; conj1[1] = "am"; conj2[1] = "are"; conj1[2] = "were"; conj2[2] = "was"; conj1[3] = "was"; conj2[3] = "were"; conj1[4] = "I"; conj2[4] = "you"; conj1[5] = "me"; conj2[5] = "you"; conj1[6] = "you"; conj2[6] = "me"; conj1[7] = "my"; conj2[7] = "your"; conj1[8] = "your"; conj2[8] = "my"; conj1[9] = "mine"; conj2[9] = "your's"; conj1[10] = "your's"; conj2[10] = "mine"; conj1[11] = "I'm"; conj2[11] = "you're"; conj1[12] = "you're"; conj2[12] = "I'm"; conj1[13] = "I've"; conj2[13] = "you've"; conj1[14] = "you've"; conj2[14] = "I've"; conj1[15] = "I'll"; conj2[15] = "you'll"; conj1[16] = "you'll"; conj2[16] = "I'll"; conj1[17] = "myself"; conj2[17] = "yourself"; conj1[18] = "yourself"; conj2[18] = "myself"; // array to post process correct our tenses of pronouns such as "I/me" conj3[0] = "me am"; conj4[0] = "I am"; conj3[1] = "am me"; conj4[1] = "am I"; conj3[2] = "me can"; conj4[2] = "I can"; conj3[3] = "can me"; conj4[3] = "can I"; conj3[4] = "me have"; conj4[4] = "I have"; conj3[5] = "me will"; conj4[5] = "I will"; conj3[6] = "will me"; conj4[6] = "will I"; // Keywords keyword[ 0]=new key( "CAN YOU", 1, 3); keyword[ 1]=new key( "CAN I", 4, 5); keyword[ 2]=new key( "YOU ARE", 6, 9); keyword[ 3]=new key( "YOU'RE", 6, 9); keyword[ 4]=new key( "I DON'T", 10, 13); keyword[ 5]=new key( "I FEEL", 14, 16); keyword[ 6]=new key( "WHY DON'T YOU", 17, 19); keyword[ 7]=new key( "WHY CAN'T I", 20, 21); keyword[ 8]=new key( "ARE YOU", 22, 24); keyword[ 9]=new key( "I CAN'T", 25, 27); keyword[10]=new key( "I AM", 28, 31); keyword[11]=new key( "I'M", 28, 31); keyword[12]=new key( "YOU", 32, 34); keyword[13]=new key( "I WANT", 35, 39); keyword[14]=new key( "WHAT", 40, 48); keyword[15]=new key( "HOW", 40, 48); keyword[16]=new key( "WHO", 40, 48); keyword[17]=new key( "WHERE", 40, 48); keyword[18]=new key( "WHEN", 40, 48); keyword[19]=new key( "WHY", 40, 48); keyword[20]=new key( "NAME", 49, 50); keyword[21]=new key( "CAUSE", 51, 54); keyword[22]=new key( "SORRY", 55, 58); keyword[23]=new key( "DREAM", 59, 62); keyword[24]=new key( "HELLO", 63, 63); keyword[25]=new key( "HI", 63, 63); keyword[26]=new key( "MAYBE", 64, 68); keyword[27]=new key( "NO", 69, 73); keyword[28]=new key( "YOUR", 74, 75); keyword[29]=new key( "ALWAYS", 76, 79); keyword[30]=new key( "THINK", 80, 82); keyword[31]=new key( "ALIKE", 83, 89); keyword[32]=new key( "YES", 90, 92); keyword[33]=new key( "FRIEND", 93, 98); keyword[34]=new key( "COMPUTER", 99, 105); keyword[35]=new key( "NO KEY FOUND", 106, 112); keyword[36]=new key( "REPEAT INPUT", 113, 116); response[ 0]="ELIZA - Javascript Version by George Dunlop ( george@peccavi.com )" response[ 1]="Don't you believe that I can<*"; response[ 2]="Perhaps you would like to be able to<*"; response[ 3]="You want me to be able to<*"; response[ 4]="Perhaps you don't want to<*"; response[ 5]="Do you want to be able to<*"; response[ 6]="What makes you think I am<*"; response[ 7]="Does it please you to believe I am<*"; response[ 8]="Perhaps you would like to be<*"; response[ 9]="Do you sometimes wish you were<*"; response[ 10]="Don't you really<*"; response[ 11]="Why don't you<*"; response[ 12]="Do you wish to be able to<*"; response[ 13]="Does that trouble you?"; response[ 14]="Tell me more about such feelings."; response[ 15]="Do you often feel<*"; response[ 16]="Do you enjoy feeling<*"; response[ 17]="Do you really believe I don't<*"; response[ 18]="Perhaps in good time I will<@"; response[ 19]="Do you want me to<*"; response[ 20]="Do you think you should be able to<*"; response[ 21]="Why can't you<*"; response[ 22]="Why are you interested in whether or not I am<*"; response[ 23]="Would you prefer if I were not<*"; response[ 24]="Perhaps in your fantasies I am<*"; response[ 25]="How do you know you can't<*"; response[ 26]="Have you tried?"; response[ 27]="Perhaps you can now<*"; response[ 28]="Did you come to me because you are<*"; response[ 29]="How long have you been<*"; response[ 30]="Do you believe it is normal to be<*"; response[ 31]="Do you enjoy being<*"; response[ 32]="We were discussing you, not me."; response[ 33]="Oh... <*"; response[ 34]="You're not really talking about me, are you?"; response[ 35]="What would it mean to you if you got<*"; response[ 36]="Why do you want<*"; response[ 37]="Suppose you got<*"; response[ 38]="What if you never got<*"; response[ 39]="I sometimes also want<@"; response[ 40]="Why do you ask?"; response[ 41]="Does that question interest you?"; response[ 42]="What answer would please you the most?"; response[ 43]="What do you think?"; response[ 44]="Are such questions on your mind often?"; response[ 45]="What is it that you really want to know?"; response[ 46]="Have you asked anyone else?"; response[ 47]="Have you asked such questions before?"; response[ 48]="What else comes to mind when you ask that?"; response[ 49]="Names don't interest me."; response[ 50]="I don't care about names, please go on."; response[ 51]="Is that the real reason?"; response[ 52]="Don't any other reasons come to mind?"; response[ 53]="Does that reason explain anything else?"; response[ 54]="What other reasons might there be?"; response[ 55]="Please don't apologise!"; response[ 56]="Apologies are not necessary."; response[ 57]="What feelings do you have when you apologise?"; response[ 58]="Don't be so defensive!"; response[ 59]="What does that dream suggest to you?"; response[ 60]="Do you dream often?"; response[ 61]="What persons appear in your dreams?"; response[ 62]="Are you disturbed by your dreams?"; response[ 63]="How are you today.. What would you like to discuss?"; response[ 64]="You don't seem quite certain."; response[ 65]="Why the uncertain tone?"; response[ 66]="Can't you be more positive?"; response[ 67]="You aren't sure?"; response[ 68]="Don't you know?"; response[ 69]="Are you saying no just to be negative?"; response[ 70]="You are being a bit negative."; response[ 71]="Why not?"; response[ 72]="Are you sure?"; response[ 73]="Why no?"; response[ 74]="Why are you concerned about my<*"; response[ 75]="What about your own<*"; response[ 76]="Can you think of a specific example?"; response[ 77]="When?"; response[ 78]="What are you thinking of?"; response[ 79]="Really, always?"; response[ 80]="Do you really think so?"; response[ 81]="But you are not sure you<*"; response[ 82]="Do you doubt you<*"; response[ 83]="In what way?"; response[ 84]="What resemblence do you see?"; response[ 85]="What does the similarity suggest to you?"; response[ 86]="What other connections do you see?"; response[ 87]="Could there really be some connection?"; response[ 88]="How?"; response[ 89]="You seem quite positive."; response[ 90]="Are you Sure?"; response[ 91]="I see."; response[ 92]="I understand."; response[ 93]="Why do you bring up the topic of friends?"; response[ 94]="Do your friends worry you?"; response[ 95]="Do your friends pick on you?"; response[ 96]="Are you sure you have any friends?"; response[ 97]="Do you impose on your friends?"; response[ 98]="Perhaps your love for friends worries you."; response[ 99]="Do computers worry you?"; response[100]="Are you talking about me in particular?"; response[101]="Are you frightened by machines?"; response[102]="Why do you mention computers?"; response[103]="What do you think machines have to do with your problems?"; response[104]="Don't you think computers can help people?"; response[105]="What is it about machines that worries you?"; response[106]="Say, do you have any psychological problems?"; response[107]="What does that suggest to you?"; response[108]="I see."; response[109]="I'm not sure I understand you fully."; response[110]="Come, come, elucidate your thoughts."; response[111]="Can you elaborate on that?"; response[112]="That is quite interesting."; response[113]="Why did you repeat yourself?"; response[114]="Do you expect a different answer by repeating yourself?"; response[115]="Come, come, elucidate your thoughts."; response[116]="Please don't repeat yourself!"; loaded = true; // set the flag as load done /////////////////////////////////////////////////////////////// //***********************************************************// //* everything below here was originally in dia_1.html *// //***********************************************************// /////////////////////////////////////////////////////////////// // Chat Bot by George Dunlop, www.peccavi.com // May be used/modified if credit line is retained (c) 1997 All rights reserved // Put together an array for the dialog chatmax = 5; // number of lines / 2 chatpoint = 0; chatter = new Array(chatmax); // Wait function to allow our pieces to get here prior to starting function hello(){ chatter[chatpoint] = "> Hello, I am Eliza."; chatpoint = 1; return write(); } function start(){ for( i = 0; i < chatmax; i++){ chatter[i] = ""; } chatter[chatpoint] = " Loading..."; document.Eliza.input.focus(); write(); if( loaded ){ hello() } else { setTimeout("start()", 1000); } } // Fake time thinking to allow for user self reflection // And to give the illusion that some thinking is going on var elizaresponse = ""; function think(){ document.Eliza.input.value = ""; if( elizaresponse != "" ){ respond(); } else { setTimeout("think()", 250); } } function dialog(){ var Input = document.Eliza.input.value; // capture input and copy to log document.Eliza.input.value = ""; chatter[chatpoint] = " \n* " + Input; elizaresponse = listen(Input); setTimeout("think()", 1000 + Math.random()*3000); chatpoint ++ ; if( chatpoint >= chatmax ){ chatpoint = 0; } return write(); } function respond(){ chatpoint -- ; if( chatpoint < 0 ){ chatpoint = chatmax-1; } chatter[chatpoint] += "\n> " + elizaresponse; chatpoint ++ ; if( chatpoint >= chatmax ){ chatpoint = 0; } return write(); } // Allow for unprompted response from the engine function update(str1,str2){ chatter[chatpoint] = " \n> " + str1; chatter[chatpoint] += "\n> " + str2; chatpoint ++ ; if( chatpoint >= chatmax ){ chatpoint = 0; } return write(); } function write(){ document.Eliza.log.value = ""; for(i = 0; i < chatmax; i++){ n = chatpoint + i; if( n < chatmax ){ document.Eliza.log.value += chatter[ n ]; } else { document.Eliza.log.value += chatter[ n - chatmax ]; } } refresh(); return false; // don't redraw the ELIZA's form! } function refresh(){ setTimeout("write()", 10000); } // Correct user overwrites